Control Panel\All Control Panel Items\Power Options\Create a Power Plan

Select High performance.

Start, control panel, device manager. Click on Network and then right click on your wireless adapter, left click properties, power management. Uncheck the box, allow computer to turn off this device to save power.

While you in the device manager, look to see if this adapter has Antenna Diversity. Some adapters have this and some don't. If your adapter has Antenna Diversity, try changing it from Auto to Aux. Can you please let me know if this adapter has antenna diversity(Thanks)